Summary:Chuck offers to throw Dorota's wedding before Dorota's parent's arrive from Poland and see her pregnant and without a husband. Dorota asks Blair and Chuck to be part of the ceremony and walk her down the aisle. Meanwhile, Serena lies to Nate telling him she's having breakfast with the Humphreys when in reality she goes to meet with Carter Baizen. Rufus discovers that Lily has been lying to him about where she is.